Hardware Maintenance Manual
ThinkPad X121e
First Edition July Copyright Lenovo
Contents
Locations
Iii
About this manual
ThinkPad X121e
Iv Hardware Maintenance Manual
Safety information
General safety
Electrical safety
Safety inspection guide
Safety notices multilingual translations
Grounding requirements
Safety information
Hardware Maintenance Manual
Perigo
Perigo
Safety information
Vorsicht
Vorsicht
Hardware Maintenance Manual
Safety information
Hardware Maintenance Manual
Safety information
Hardware Maintenance Manual
Safety information
Hardware Maintenance Manual
Strategy for replacing FRUs
Important service information
Before replacing parts
Select Downloads & Drivers
Strategy for replacing a hard disk drive
How to use error message
Dynamic Configure To Order CTO
Important notice for replacing a system board
General Announce Variant GAV
Using PEW
FRU identification for CTO, CMV, and GAV products
Hardware Maintenance Manual
General checkout
What to do first
Checkout guide
Diagnostics using PC-Doctor for DOS
Following are not covered under warranty
Testing the computer
Hardware Info
Diagnostics Interactive Tests
Lenovo ThinkVantage Toolbox
Utility
FRU tests
Applicable test
Interactive Tests Mouse
Power system checkout
Checking the ac power adapter
Pin Voltage V dc
Terminal Voltage V dc
Checking the battery pack
Checking operational charging
Checking the backup battery
Wire Voltage V dc
Related service information
Restoring the factory contents by using Recovery Disc Set
Hard disk password
Passwords
Power-on password
How to remove the hard-disk password
Supervisor password
How to remove the power-on password
Select Power-On Password
Sleep standby mode
Power management
Screen blank mode
Hibernation mode
Symptom-to-FRU index
Numeric error codes
No-beep symptoms
Error messages
Beep symptoms
Reseat the LCD connectors
LCD-related symptoms
Intermittent problems
See important note for LCD-related symptoms
Undetermined problems
Hardware Maintenance Manual
Status indicators
Indicator Meaning
Hardware Maintenance Manual
Key combination Description
Speaker volume down keys
Fn key combinations
Key combination Description For Windows
For Windows Vista and Windows XP
External CRU statement to customers
FRU replacement notices
Screw notices
Plastic to plastic
Select 2. Read S/N data from Eeprom
Retaining serial numbers
Restoring the serial number of the system unit
MTM on the rear label
Retaining the Uuid
Reading or writing the ECA information
Product ID on the rear label
Hardware Maintenance Manual
Removing and replacing a FRU
Before servicing ThinkPad X121e models
Battery pack
Important notice for replacing a battery pack
Bottom slot cover
Memory modules
Removal steps of memory modules
Hard disk drive or solid state drive assembly
PCI Express Mini Card for wireless LAN
Step Screw quantity Color Torque
Removal steps of PCI Express Mini Card for wireless LAN
PCI Express Mini Card for wireless WAN
Removal steps of PCI Express Mini Card for wireless WAN
Keyboard
Removal steps of keyboard
Power sub card and microphone
Top case assembly
Removal steps of top case assembly
Bluetooth daughter card
Speaker assembly
1120 I/O board
System board assembly, fan assembly, and backup battery
Important notices for handling the system board
Step Screw quantity Color Torque
CRT board assembly with cable
DC-in sub card and base cover assembly
Applying labels to the base cover
Hardware Maintenance Manual
When installing
LCD unit
M2.5 × 5 mm, wafer-head, nylon-coated Black 392 Nm Kgfcm
LCD bezel assembly
Step Screw cap Screw quantity Color Torque
Integrated camera
Removal steps of integrated camera
LCD panel, LCD cable, and hinges
Removal steps of hinges
Removing and replacing a FRU
Hardware Maintenance Manual
Locations
Front view
Rear view
Bottom view
Parts list
External CRU statement to customers
Overall
FRU Overall FRU no
CRU
CRU
CRU
CRU
CRU
CRU
CRU
FRU no. CRU ID
LCD FRUs
No. FRU Overall
FRU LCD
FRU LCD
FRU LCD
Language FRU no
Ac power adapters
Miscellaneous parts
Power cords
Country or region FRU no
Language
Recovery discs Windows XP Professional 32-bit DVDs
Windows Vista Business 32-bit DVDs
Windows 7 Home Basic 32-bit DVDs
Windows 7 Home Premium 32-bit DVDs
Windows 7 Home Premium 64-bit DVDs
Windows 7 Professional 32-bit DVDs
Windows 7 Professional 64-bit DVDs
3051-CTO, 52x, 5Ax, 5Bx, 5Dx, 5Ex 3053-CTO 3055-CTO
Windows 7 Starter 32-bit DVDs
Windows 7 Ultimate 32-bit DVDs
Windows 7 Ultimate 64-bit DVDs
US English 04T1876
Common service tools
Tool
Appendix A. Notices
103
Electronic emissions notices
Trademarks
Page
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